William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7323588 | Isononyl benzoates and their use The invention relates to isomeric nonyl benzoates, processes for their preparation, mixtures of the same with alkyl phthalate, alkyl adipate, or alkyl cyclohexanedicarboxylate, and also to the use of these mixtures. ... | 01/29/2008 |
| 7172789 | Methods and apparatus for fluidic self assembly Methods and apparatuses for assembling a structure onto a substrate. A method according to one aspect of the invention includes dispensing a slurry onto a substrate wherein the slurry includes a first plurality of elements, each of which is designed to mate with a r... | 02/06/2007 |
| 7140558 | Mixing arrangement for atomizing nozzle in multi-phase flow The invention relates to an improved mixing arrangement for, primarily, moving bitumen in steam from sources of such bitumen and steam to a reactor or coker for further processing of the bitumen into petroleum products. The invention provides a main conduit connecte... | 11/28/2006 |
| 7074430 | Controlled release tramadol tramadol formulation A controlled release preparation for oral administration contains tramadol, or a pharmaceutically acceptable salt thereof, as active ingredient. ... | 07/11/2006 |
| 6905048 | Volumetric solid and liquid dispenser A volumetric solid and liquid dispenser includes a drum sized for receiving and containing a predetermined volume of solid material from a solid material supply source. The supply source can be a hopper positioned above the drum. The drum is rotatably mounted to a s... | 06/14/2005 |
| 6833275 | Gold conjugates containing detergent A composition which contains stabilized conjugates composed of colloidal particles and biomolecules is obtained by adding a detergent to a solution containing biomolecules before or/and during treatment of colloidal particles with this solution. ... | 12/21/2004 |
| 6773765 | Thermally sprayed, flexible magnet with an induced anisotropy Disclosed is a process for making a flexible magnet with an induced anisotropy, and in particular to a process for making a flexible anisotropic magnet by thermal spraying in the presence of an applied magnetic field. The method may be used to fabricate a substrate ... | 08/10/2004 |
| 6753094 | Composite sheet material for brazing The invention relates to a composite sheet material for brazing, the composite sheet material having a structure comprising an aluminium or aluminium alloy substrate on at least one side coupled to a layer comprising a polyolefin/acrylic acid copolymer as a carrier ... | 06/22/2004 |
| 6720030 | Electrically conducting printed webs of plastic Electrically conducting printable webs of plastic having upper and lower sides, at least one of said sides being provided with a primer layer for printing pretreatment, comprising a substance selected from the group consisting of polyurethanes, acrylates, polyester ... | 04/13/2004 |
| 6660343 | Fabrication of conductive/non-conductive nanocomposites by laser evaporation A composite layer of a sorbent, chemoselective, non-electrically-conducting polymer and nano-particles of an electrically conducting material dispersed throughout the polymer is formed on a substrate by pulsed laser deposition, matrix assisted pulsed lase... | 12/09/2003 |
| 6613398 | Method for improving solubility of protein According to the present invention, provided is a method for improving solubility of a protein in water by irradiating the protein with an electron beam. According to the method, the solubility of the protein in water is improved without alteration and de... | 09/02/2003 |
| 6524659 | Method and apparatus for electrically controlling a flow of material The invention relates to a method for electrically controlling a flow of material, wherein a single- or multi-component, essentially polymer-based material (1), such as plastics, elastomer or the like, is charged electrically (I) and sprayed (II) in an el... | 02/25/2003 |
| 6461451 | Treatment of ingots or spacer blocks in stacked aluminum ingots A method of treating a surface of a stacked aluminum alloy ingot during a heating process. Spacer blocks are positioned adjacent aluminum alloy ingots to form a stack, wherein the spacer block has a support surface contacting a contact surface of the alum... | 10/08/2002 |
| 6350493 | Method of dispersing fibers in electromagnetic-attenuating coating materials A method of dispersing fibers in an electromagnetic-attenuating coating and applying the coating to a substrate. The method includes mixing a coating material of fibers and resin in a container such that the fibers are uniformly dispersed in the resin wit... | 02/26/2002 |
| 6319545 | Method for constructing a resilient surface A method of constructing a resilient surface layer of particles bound together and to a base surface comprises uniformly dropping dry rubber particles from a moving apparatus and spraying the particles with a liquid, water based, latex binder as the parti... | 11/20/2001 |
| 6159550 | Method and apparatus for applying resilient athletic surfaces A method and apparatus for continuously coating particulate such as rubber with liquid binder and applying the same to a substrate to form resilient athletic surfaces. Total encapsulation of the particulate with the liquid binder is accomplished prior to ... | 12/12/2000 |
| 6113990 | Method for providing fire retardancy, microbial, and pest control to a structure A method of insulating a structure and providing fire retardancy, microbial and pest control to the structure is disclosed. A slurry of a dry boric acid stabilized cellulose insulation product and a borate salt solution is applied to the area to be insula... | 09/05/2000 |
| 5879751 | Method and apparatus for making absorbent structures having divided particulate zones A method and apparatus is disclosed for making absorbent structures having a layer of discrete particulate absorbent material which is divided into two or more bands separated by a substantially particulate-free zone. The method of making such absorbent s... | 03/09/1999 |
| 5874133 | Process for making a polyurethane composite An article which comprises (1) a composite comprising a polyurethane matrix including fibrous or particulate reinforcement, the polyurethane matrix being formed in situ about the reinforcement by reaction of polyurethane forming components at a temperatur... | 02/23/1999 |
| 5786023 | Method and apparatus for the freeform growth of three-dimensional structures using pressurized precursor flows and growth rate control Method and apparatus for the selective heat-induced deposition of solid material from gas-phase or super-critical fluids to produce three-dimensional parts by pyrolysis of the fluids. The apparatus involves computer/feedback control of the evolving shape ... | 07/28/1998 |
| 5744089 | Method and apparatus for the in-line impregnation of fibers with a non-aqueous chemical treatment A method and apparatus is disclosed for the in-line pre-impregnation of glass or synthetic fibers with a non-aqueous chemical treatment. The apparatus includes a first applicator for applying a curable, non-aqueous chemical treatment agent and a second ap... | 04/28/1998 |
| 5721019 | Electromagnetic attenuating laminate and method for its formation An EMI shielding member and method of making the member. The member includes a non-metallic substrate having an electrically non-conductive coating of a dielectric polymer matrix material loaded with an EMI shieldingly effective amount of electrically con... | 02/24/1998 |
| 5705006 | Fire resistant repair patch and method A fire resistant patch for aircraft composite cargo bay liners. The patch includes a base member consisting of at least one inner sheet of woven fiberglass with outer layers of flame resistant plastic. A scrim consisting of a fiberglass lattice netting ha... | 01/06/1998 |
| 5683747 | Carbon fiber reinforced coatings Carbon fiber mat are embedded in a coating by first rolling on a coating of e.g. epoxy on the floor or wall, then applying sheets of fine carbon fibers, (optionally) removing the carbon fiber which is not adherent after the coating has dried, then applyin... | 11/04/1997 |
| 5589256 | Particle binders that enhance fiber densification A method of producing easily densified high bulk fibers that have adhered particulates. The high bulk fibers have hydrogen bonding or coordinate covalent bonding functionalities, and a binder is applied to the fibers to bind the particles to the fibers. T... | 12/31/1996 |
| 5565241 | Convergent end-effector A convergent end-effector which combines a liquid and dry flow external to a spray nozzle eliminates clogging problems common in the prior art spray coating systems. The end-effector utilizes a nozzle with an orifice and at least one atomizing hole, a con... | 10/15/1996 |
| 5529808 | Stampable glass fiber reinforced thermoplastic resin and method of producing the same A glass fiber reinforced polymer which excels in mechanical properties and is suitable for use in a large-sized structural members, formed from a dispersion liquid by dispersing reinforcement glass fibers and particulate thermoplastic resin in a surfactan... | 06/25/1996 |
| 5505983 | Spherical seed cores, spherical granules and process for production thereof Pharmacologically inactive spherical seed cores comprising at least 50% by weight of microcrystalline cellulose having an average degree of polymerization of 60 to 375, wherein the spherical seed cores have an average particle size of 100 to 1000 μm, a t... | 04/09/1996 |
| 5472743 | Method and apparatus for applying resilient athletic surfaces A method and apparatus for continuously coating particulate such as rubber with liquid binder and applying the same to a substrate to form resilient athletic surfaces. Total encapsulation of the particulate with the liquid binder is accomplished prior to ... | 12/05/1995 |
| 5468650 | Class microfiber histamine assay device A histamine diagnostic assay device is provided in which glass microfibers treated with a polar organic polymer are deposited onto a carrier and used to selectively bind histamine in a sample. The polar organic polymer reduces the affinity of the glass mi... | 11/21/1995 |
| 5468546 | Method of making a highway reinforcement product A method for producing asphalt fibers includes supplying molten asphalt to a rotating asphalt spinner, centrifuging asphalt fibers from the asphalt spinner, and collecting the asphalt fibers. The molten asphalt is supplied to the asphalt spinner at a temp... | 11/21/1995 |
| 5468293 | Apparatus and method for constructing a spray in place structure A system for cutting and spraying a plurality of resin strands with an emulsion. The system includes a spray gun that has a cutter assembly that cuts a single resin thread into a plurality of individual strands. The cutter assembly is constructed to cut t... | 11/21/1995 |
| 5462764 | Method for constructing a spray in place structure A system for cutting and spraying a plurality of resin strands with an emulsion. The system includes a spray gun that has a cutter assembly that cuts a single resin thread into a plurality of individual strands. The cutter assembly is constructed to cut t... | 10/31/1995 |
| 5462772 | Methods for forming artificial diamond New and improved structures in tools subject to wear and attrition when engaging or engaged by work or material being worked on thereby. Synthetic diamond material is formed in situ on a select portion or portions of the surface of a hard substrate or too... | 10/31/1995 |
| 5279868 | Method of preparing ultrafine particle dispersion material In the manufacture of ultrafine particles of semiconductor compound, pulse laser with high output is irradiated on an evaporation source having the same or similar composition as the above semiconductor compound to evaporate the source in a moment and the... | 01/18/1994 |
| 5266353 | Method for protecting feed A protectant for forage crops. The protectant is made from a mixture of water and plaintain husks, such as psyllium. A thickening and suspending agent ma be used to assist the adherence of the protectant to harvested forage. A preferred agent is carboxyme... | 11/30/1993 |
| 5145541 | Low energy cured composite repair system based on imidazole-blocked naphthyl-diisocyanates A fiber reinforced resin matrix composite material repair system is provided, which critically employs a resin comprising a catalyst of the formula I: ##STR1## with a multifunctional epoxy resin, the resin system being sealed in a water-proofed ... | 09/08/1992 |
| 5141769 | Method for applying wear-resistant dispersion coatings Surfaces of structural components of metal or the like are protected by depositing a wear-resistant dispersion coating of a matrix metal and hard-material particles embedded in the metal matrix. The depositing is accomplished by a sequential plasma sprayi... | 08/25/1992 |
| 5132142 | Apparatus and method for producing pellets by layering power onto particles An apparatus for layering powder onto particles has a vessel in which a rotor is mounted rotatable therein around a vertical axis. The rotor is a disc with a supporting surface for supporting particles. The apparatus also has a feeder with a substantially... | 07/21/1992 |
| 5086149 | Low energy cured composite repair system based on epoxy resin with imidazole blocked naphthyl diisocyanate catalyst having extended shelf life A fiber reinforced resin matrix composite material repair system is provided, which critically employs a resin comprising a catalyst of the formula I: ##STR1## with a multifunctional epoxy resin, the resin system being sealed in a water-proofed ... | 02/04/1992 |